$150–$300 for thawing a drain line if accessible. If drywall needs cutting, $400–$700.
, the water trapped in your plumbing can quickly turn to ice, leading to backed-up sinks and the risk of burst pipes. Whether you are dealing with a frozen kitchen sink, shower drain, or main sewer line, acting fast with the right tools can prevent thousands of dollars in water damage. Immediate Safety Steps how to unfreeze a drain pipe 2021
: Turn on the faucet connected to the frozen drain. This relieves pressure and allows melting water to escape as you work. $150–$300 for thawing a drain line if accessible
The 2021 winter storms brought extreme cold to regions unaccustomed to it, leading to widespread issues with frozen drain pipes. Unlike supply pipes, drain pipes are usually empty, so freezing often occurs in "traps" (the U-shaped bends) or in areas where water pools due to saggy or horizontal exterior piping. Whether you are dealing with a frozen kitchen
If the drain doesn't clear immediately, repeat the process. Avoid adding excessive water if the drain is completely blocked, as it may just freeze and worsen the clog. ICE Cleaning External Thawing: Safe Heat Application
Best for exposed copper or galvanized steel drain pipes.
🧂 Pro tip: Add ½ cup of salt to the boiling water. Salt lowers the freezing point of water and can speed up thawing.